MA3125 - 125 Amp Circuit Breaker

MA3125 - 125 Amp Circuit Breaker

The MA3125 circuit breaker is designed to deliver dependable protection and performance for demanding commercial and industrial environments. Built on the trusted MA frame, this breaker combines a 125-amp rating with a 3-pole configuration, making it an excellent choice for managing power distribution safely and effectively. Its thermal magnetic trip mechanism helps guard against both overloads and short circuits, while the interchangeable trip unit adds flexibility for maintenance and future adjustments. Whether you’re upgrading an existing system or replacing a worn unit, the MA3125 offers consistent, long-lasting protection that helps keep your operations running smoothly.

Key Features and Benefits

• Thermal Magnetic Trip System: Delivers combined overload and short-circuit protection, giving your equipment reliable defense in varying load conditions.
• Interchangeable Trip Unit: Provides easy maintenance and customization, helping you reduce downtime during service or adjustments.
• Load-Side Terminals Included: Simplifies installation and ensures your breaker is ready for immediate use.
• Durable MA Frame: Recognized for its strength and long service life in industrial and commercial environments.
  

Technical Specifications

• Poles: 3
  
• Amperage Rating: 125A
  
• Voltage Rating: 600 VAC
  
• Interrupting Capacity (A.I.C.):
  • 22k at 600 VAC
  • 30k at 480 VAC
  • 42k at 240 VAC
• Frame Type: MA
  
• Dimensions:
  • Width: 8.25 inches
  • Length: 16.00 inches
  • Depth: 4.00 inches
• Weight: 50 lbs
  
• Temperature Rating: 40°C
  

Material Compliance and Certifications

• UL Standards: Fully compliant with all applicable UL safety requirements for circuit breakers.
• Construction: Manufactured with high-quality materials designed to withstand demanding operating conditions.
• Certifications: Meets industry standards for safe use in a wide range of industrial and commercial electrical systems.
  

Suitability

• The MA3125 circuit breaker is particularly well-suited for heavy-duty applications that demand consistent performance under high fault currents. It’s often used in industrial facilities, commercial buildings, and other electrical systems where protection against overloads and short circuits is critical. The inclusion of load-side terminals makes setup quick and straightforward, while the interchangeable trip unit ensures the breaker can adapt to ongoing system requirements.